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212219 (2005 HC)
Classification: Main-belt Asteroid          SPK-ID: 2212219
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08535421939863866 7.2875e-08  
a 2.465272754408373 2.4362e-08 au
q 2.254851322851114 1.8836e-07 au
i 7.392694404293352 5.4292e-06 deg
node 109.0103027537705 4.1942e-05 deg
peri 36.79862330265698 4.925e-05 deg
M 283.1185099006095 2.5444e-05 deg
tp 2458902.436198129675
(2020-Feb-22.93619813)
0.00010068 TDB
period 1413.825762041839
3.87
2.0957e-05
5.738e-08
d
yr
n .2546282644334405 3.7743e-09 deg/d
Q 2.675694185965631 2.6441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6382 days (17.47 yr)  
   first obs. used      2001-03-30  
   last obs. used      2018-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58491  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:12:41  

Additional Information
 Earth MOID = 1.27278 au 
 Jupiter MOID = 2.34159 au 
 T_jup = 3.471 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO454523  

212219 (2005 HC)          Discovered 2005-Apr-16 by Jarnac at Jarnac
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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